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Finding the Fourth Proportional to 174,355, 261,571.38 and 63,547

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Solution

The fourth proportional to 174,355, 261,571.38 and 63,547 is: 95,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,355 : 261,571.38 = 63,547 : x
  2. Step 2: Convert to fraction form
    174,355/261,571.38 = 63,547/x
  3. Step 3: Cross multiply
    174,355x = 261,571.38 × 63,547
  4. Step 4: Simplify right side
    174,355x = 16,622,076,484.86
  5. Step 5: Solve for x
    x = 16,622,076,484.86/174,355
  6. Step 6: Final answer
    x = 95,334.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.